<template>
<div class="articaldetail">
    <div class="header">
        <div class="left">
            <van-icon name="arrow-left back"
                      @click="$router.back()" />
            <span class="iconfont iconnew new"></span>
        </div>
        <!-- 
          文章详情数据有一个has_follow字段可以用来判断是否已经关注用户
          当has_follow值为false表示未关注，否则表示已关注
         -->
        <span @click="followFn" :class="{ active: article.has_follow }">{{  article.has_follow?'已关注':'关注' }}</span>
    </div>
    <div class="detail">
        <div class="title">{{ article.title }}</div>
        <div class="desc">
            <span>{{article.user&&article.user.nickname}}</span> &nbsp;&nbsp;
            <span>{{ article.create_date }}</span>
        </div>
        <!-- type值1非视频，2视频 -->
        <div v-if="article.type==1" class="content" v-html="article.content">
            <!-- 文章的内容： -->
            <!-- {{ article.content }} -->
        </div>
        <div v-if="article.type == 2" class="content vidioContent">
          <!-- 
            controls: 视频控制器
            poster: 视频封面
           -->
          <video controls :poster="article.cover[0].url" :src="article.content"></video>
        </div>
        <div class="opt">
            <span class="like">
                <van-icon name="good-job-o" />点赞
            </span>
            <span class="chat">
                <van-icon name="chat"
                          class="w" />微信
            </span>
        </div>
    </div>
    <!-- 精彩跟帖 -->
    <div class="keeps">
        <h2>精彩跟帖</h2>
        <div class="item">
            <div class="head">
                <img src="../assets/表情包.png"
                     alt />
                <div>
                    <p>火星网友</p>
                    <span>2小时前</span>
                </div>
                <span>回复</span>
            </div>
            <div class="text">文章说得很有道理</div>
        </div>
        <div class="more">更多跟帖</div>
    </div>
    <!-- 底部评论块 -->
    <commentFooter :article="article"></commentFooter>
</div>
</template>

<script>
import commentFooter from "@/components/commentFooter";
import { getArticleDetail } from "@/api/news";
import { user_follows,user_unfollow } from "@/api/user";
export default {
    components: { commentFooter },
    data(){
      return {
        article: {}
      }
    },
    created(){
      // 接收文章id
      console.log(this.$route.query.id);
      let id = this.$route.query.id;
      getArticleDetail(id).then(res=>{
        // console.log(62,res);
        this.article = res.data.data;
      })
    },
    methods: {
      // 关注/取消关注用户
      followFn(){
        if(this.article.has_follow){
          // 取消关注
          // 注意：传用户(作者)id
          user_unfollow(this.article.user.id).then(res=>{
            console.log(92,res);
            if(res.data.message == "取消关注成功"){
              this.$toast.success(res.data.message);
              // 更新关注按钮效果
              this.article.has_follow = !this.article.has_follow;
              return
            }
            this.$toast.fail(res.data.message);
          })
        }else{
          // 关注
          user_follows(this.article.user.id).then(res=>{
            // console.log(97,res);
            if(res.data.message == "关注成功"){
              this.$toast.success(res.data.message);
              // 更新关注按钮效果
              this.article.has_follow = !this.article.has_follow;
              return
            }
            // this.$toast.fail(res.data.message);
          })
        }
      }
    }
}
</script>

<style lang="less" scoped>
.header {
  padding: 0px 10px;
  height: 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ccc;
  > .left {
    height: 100%;
    vertical-align: middle;
    position: relative;
    .van-icon {
      position: absolute;
      top: 15px;
      left: 0;
    }
    > span {
      margin-left: 22px;
      font-size: 50px;
    }
  }
  > span {
    padding: 5px 15px;
    background-color: #f00;
    color: #fff;
    text-align: center;
    border-radius: 15px;
    font-size: 13px;
    // &表示span标签，active和span是同级，设置已关注样式
    &.active{
      background-color: #fff;
      color: #000;
      border: 1px solid #000;
    }
  }
}
.detail {
  padding: 15px;
  .title {
    font-size: 18px;
    font-weight: bold;
    padding: 10px 0;
  }
  .desc {
    line-height: 30px;
    color: #999;
    font-size: 13px;
  }
  // vue把v-html渲染的内容当成一个组件来处理的，
  // 因为我们设置内部标签样式的时候需要添加样式穿透
  /deep/ .content {
    text-indent: 2em;
    line-height: 24px;
    font-size: 15px;
    padding-bottom: 30px;
    width: 100%;
    a{
      display: block;
      text-indent: 0;
      img{
          width: 100%;
        }
    }

  }
  .vidioContent{
    text-indent: 0;
    video{
      width: 100%;
    }
  }
}
.opt {
  display: flex;
  justify-content: space-around;
  .like,
  .chat {
    height: 25px;
    padding: 0 15px;
    font-size: 14px;
    line-height: 25px;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 15px;
  }
  .w {
    color: rgb(84, 163, 5);
  }
}
.keeps {
  border-top: 5px solid #ddd;
  padding: 0 15px;
  > h2 {
    line-height: 50px;
    text-align: center;
  }
  .item {
    padding: 10px 0;
    border-bottom: 1px solid #ccc;
    .head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      > img {
        width: (50/360) * 100vw;
        height: (50/360) * 100vw;
        display: block;
        border-radius: 50%;
      }
      > div {
        flex: 1;
        display: flex;
        flex-direction: column;
        margin-left: 10px;
        > span {
          font-size: 12px;
          color: #999;
          line-height: 25px;
        }
      }
      > span {
        color: #999;
        font-size: 13px;
      }
    }
    .text {
      font-size: 14px;
      color: #333;
      padding: 20px 0 10px 0;
    }
  }
  .more {
    width: 100px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 15px;
    margin: 20px auto;
    font-size: 13px;
  }
}
</style>